How to Grow Mint (and Keep It From Taking Over)

Mint is one of the most rewarding herbs you can grow: it roots from a snipped stem in days, thrives in part shade where other herbs sulk, and rewards a quick pinch with a flush of fragrant new leaves. It is also a notorious garden bully. The single most important thing to know before you plant mint is to keep it contained, because given open ground it will quietly colonize an entire bed. Do that one thing and mint becomes a generous, almost foolproof plant for any kitchen garden.

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Why mint takes over (and the one golden rule)

Mint spreads through underground stems called rhizomes (and above-ground runners called stolons). These creeping stems travel sideways through the soil, popping up new plants a foot or more from the original. A single nursery start can blanket several square feet in a single season and crowd out neighboring vegetables, herbs, and flowers. Pulling it rarely works, because any fragment of root left behind sprouts a fresh plant. This is exactly why so many gardeners regret planting mint directly in the ground.

The golden rule: contain it

• Grow it in a pot. The simplest, safest option. A container on a patio, deck, or windowsill keeps the roots completely boxed in.
• Sink a buried pot. Want it in a bed? Bury a bottomless or large-drainage pot so the rim sits an inch or two above soil level, then plant the mint inside. The walls block rhizomes; the raised rim stops runners from creeping over the top.
• Use a dedicated raised bed lined on the sides, or a stock-tank planter, well away from other plantings.
• Trim flowers and stray runners through the season so it cannot reseed or escape.

If you only remember one thing from this guide, remember this: never plant mint loose in open ground. A simple herb planter pot solves the entire problem. For more on choosing and managing containers, see our guide to container gardening for beginners.

Types of mint to grow

There are dozens of mints, but a handful cover almost every kitchen and garden use. They all grow the same way, so you can mix and match — just keep each variety in its own container, since mints readily cross and lose their distinct flavor if grown together.

• Spearmint — the classic all-purpose mint. Bright, sweet, and mild; the go-to for cooking, tabbouleh, lamb, mojitos, and iced tea.
• Peppermint — stronger and more menthol-forward thanks to higher menthol content. Best for teas, desserts, and anything that wants a cool, intense bite.
• Chocolate mint — a peppermint variety with a subtle cocoa aroma. Wonderful in desserts, hot chocolate, and infused cream.
• Apple mint — soft, fuzzy leaves with a gentle fruity flavor. Lovely in fruit salads, lemonades, and garnishes; tolerates heat well.

Ready to start? You can find a starter mint plant at most garden centers, or root one from a friend’s cutting in a week. Mint also pairs beautifully with other easy herbs — our how to grow an herb garden guide shows how to plan a productive kitchen garden around it.

Sun, soil, and watering

Light

Mint is unusually flexible about light. It grows best in part sun to full sun — roughly four to six hours of direct light a day. In hot southern climates, a spot with afternoon shade keeps leaves tender and prevents scorching. In cooler regions, give it as much sun as you can. This shade tolerance is part of what makes mint so useful: it will produce in spots where basil and rosemary would struggle.

Soil

• Mint likes rich, moisture-retentive soil with plenty of organic matter.
• Aim for a slightly acidic to neutral pH (around 6.0–7.0), though mint is forgiving.
• In containers, use a quality potting mix rather than garden dirt, which compacts and drains poorly in pots.
• Good drainage matters — mint likes moist soil, but not waterlogged roots.

Water

Of all the common herbs, mint is the thirstiest. Keep the soil consistently evenly moist — never bone dry. Container mint dries out fast in summer heat and may need watering daily during hot spells. Stick a finger an inch into the soil; if it feels dry, water until it runs from the drainage holes. Wilting leaves bounce back quickly once watered, but repeated drought stress weakens the plant and concentrates bitterness.

Harvesting and pinching for bushy growth

The secret to a full, leafy mint plant rather than a few leggy stems is regular harvesting. Every time you pinch out the growing tip, the plant responds by sending out two new side shoots below the cut — so the more you harvest, the bushier and more productive it becomes.

• Pinch the top inch of each stem regularly, snipping just above a pair of leaves.
• Start light harvesting once plants are six to eight inches tall and well established.
• Harvest in the morning, when the leaves’ aromatic oils are at their peak.
• You can cut a plant back hard — by up to half — and it will rebound within a couple of weeks.
• Remove flower buds as they appear. Flowering pushes the plant toward seed and makes the leaves taste less sweet, so pinching blooms keeps flavor at its best.

Use fresh leaves right away, or dry and freeze the surplus. Mint freezes well chopped into ice-cube trays with a little water — perfect for dropping into summer drinks.

Super-easy propagation

Mint is one of the easiest plants in the world to multiply. Once you have a single healthy plant, you will never need to buy mint again. There are two reliable methods.

Cuttings in water

• Snip a 4–6 inch stem just below a leaf node (the point where leaves attach).
• Strip the lower leaves so the bottom two inches of stem are bare.
• Stand the cutting in a glass of water on a bright windowsill, out of direct scorching sun.
• Change the water every couple of days. White roots usually appear within about a week.
• Once roots are an inch or two long, pot the cutting up in moist potting mix.

Division

An established clump can simply be dug or tipped out of its pot and pulled apart into smaller sections, each with roots and a few stems. Replant each division in its own container. Spring is the ideal time, but mint is so vigorous that division works through most of the growing season.

Growing mint indoors and overwintering

On the windowsill

Mint is one of the best herbs for indoor growing. A pot on a bright kitchen windowsill — ideally one that gets four or more hours of sun — keeps you in fresh leaves year-round. Give it a quarter turn every few days so it grows evenly toward the light, keep the soil lightly moist, and pinch regularly to prevent legginess. If your light is weak, a small grow light makes a big difference. For a full setup, see our guide to how to grow herbs indoors.

Overwintering outdoor plants

• Mint is a hardy perennial in most of the US (roughly USDA zones 3–8 depending on variety) and dies back to the roots in winter, returning each spring.
• In cold zones, cut spent stems back after the first frost and mulch container plants or move them to a sheltered spot to protect the roots.
• To enjoy mint indoors over winter, take a cutting or a small division in early fall and grow it on a windowsill.
• Refresh tired, root-bound plants every couple of years by dividing and repotting in fresh mix.

Uses for your mint harvest

• Drinks — mojitos, mint juleps, iced tea, lemonade, and infused water.
• Teas — fresh or dried leaves steeped in hot water for a soothing, caffeine-free cup.
• Cooking — tabbouleh, Middle Eastern and Southeast Asian dishes, lamb, peas, and grain salads.
• Desserts — chocolate pairings, fruit salads, and homemade mint syrup or sugar.
• Garnish — a sprig brightens almost any plate or cocktail.

With one contained plant, a sunny-enough spot, and regular pinching, you will have more mint than you know what to do with. For more herbs and edibles to grow alongside it, explore our full plant & flower care guide.

Frequently asked questions